Mariano Zafra

Look up any place on this map to compare the scale of the devastation from the molten rock, which now covers more than 591 hectares

The magma flow that shaped Spain’s Canaries archipelago 20 million years ago continues to add landmass, while Fuerteventura and Lanzarote are destined to sink under the effects of erosion

Shots of the same area taken in 2020 and on Thursday of last week evidence how the lava flow is slowly swallowing up land and property on the Spanish island

The outbreak in California is the most closely researched of its kind so far during the pandemic. Analysis reveals the vulnerability of the classroom given the explosive spread of the delta variant of the coronavirus

A lack of maintenance, design errors, poorly executed construction and negligence all dominate the discussion after the accident this week. EL PAÍS analyzes the key factors

EL PAÍS compares the likelihood of developing a blood clot from the Janssen and AstraZeneca injections with the probability of suffering a serious case of the disease, according to each demographic

Constant ventilation and permanent control of CO₂ levels are two of the keys to avoiding transmission in closed rooms, as fresh air dilutes the infected particles

In Spain, the bathrooms of older buildings are connected through communal ducts that allow aerosol exchanges. Although not common, it is suspected that transmission may occur in specific circumstances

Swathes of the Iberian peninsula form part of a ‘hot zone’ for seismic activity due to the increasing proximity of tectonic plates, the impact this has on fault lines and the specific characteristics of the land

Infections are expected to spike over the holiday season, but there are ways to minimize the dangers. Find out what measures should be taken based on who you will be celebrating with and how

The diagnostic tool has become key to curbing transmission in the second wave as it quickly identifies positive cases, meaning they are isolated immediately and do not spread the virus

The health crisis is having an unexpected effect in some urban centers: motorists are losing space while cyclists are gaining it. EL PAÍS has examined how Spanish cities, as well as some in Europe and the Americas, are adapting their cycleways to the new mobility reality

The risk of contagion is highest in indoor spaces but can be reduced by applying all available measures to combat infection via aerosols. Here is an overview of the likelihood of infection in three everyday scenarios, based on the safety measures used and the length of exposure

An office, a restaurant and a bus were the settings for multiple infections that have been studied in detail by health authorities. Their conclusions offer valuable lessons for the deescalation process

The genome of the new coronavirus harbors a short sequence suspected of being the main culprit of its uniquely infectious and aggressive nature

The decree approved by the government on Saturday has immediately locked down the country, limiting the movement of citizens across the entire territory

Work to create a network of cellars in Navalcarnero has raised the ire of the public and the opposition, due to cracks and subsidence above ground